NCP1207A Просмотр технического описания (PDF) - ON Semiconductor

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производитель

NCP1207A

PWM Current-Mode Controller for Free Running Quasi-Resonant Operation

ON Semiconductor 

NCP1207A, NCP1207B

HV

7.0

mA

VCC

PON

+-

+

12 V, 10 V,

5.3 V (fault)

VUVLO

4.5/1.5ms

Delay

+

-

+

OVP

Demag

+

5.0 V

/1.44

-+

8/4.5ms

Blanking

SQ

S*

R* R Q

-

+

+

50 mV

Resd

Rint

10 V

Driver: src = 20

VCC sink = 10

Demag

Drv

4.2 V

GND

To Internal

Supply

Fault

Mngt.

Overload?

Soft-Start = 1 ms

+

/3

FB

-

1.0 V 200 mA

when Drv

is OFF

*S and R are level triggered whereas S is edge

triggered. R has priority over the other inputs.

5.0 ms

Timeout

Timeout

Reset

380 ns

L.E.B.

CS

Demag

MAXIMUM RATINGS

Figure 2. Internal Circuit Architecture

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Rating

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Power Supply Voltage, VCC Pin, Continuous Voltage

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Transient Power Supply Voltage, Duration < 10 ms, IVCC < 20 mA

Symbol

VCC Static

VCC Pulse

Value

20

25

Units

V

V

Maximum Voltage on Pin 5 (Drv)

-

20

V

Maximum Voltage on all other pins except Pin 8 (HV), Pin 6 (VCC) and Pin 5 (Drv)

-

Maximum Current for all pins except VCC (6), HV (8) and Demag (1) when 10 V ESD diodes are

-

activated

-0.3 to 10

V

5.0

mA

Maximum Current in Pin 1

Idem

+3.0/-2.0

mA

Thermal Resistance, Junction-to-Case

RqJC

57

°C/W

Thermal Resistance, Junction-to-Air, SOIC version

Thermal Resistance, Junction-to-Air, DIP8 version

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Operating Junction Temperature

RqJA

RqJA

TJ

178

100

-40 to +125

°C/W

°C/W

°C

Maximum Junction Temperature

TJMAX

150

°C

Temperature Shutdown

-

155

°C

Hysteresis in Shutdown

-

30

°C

Storage Temperature Range

-

-60 to +150

°C

ESD Capability, HBM Model (All pins except HV)

-

2.0

kV

ESD Capability, Machine Model

-

200

V

Maximum Voltage on Pin 8 (HV), Pin 6 (VCC) decoupled to ground with 10 mF

VHVMAX

500

V

Minimum Voltage on Pin 8 (HV), Pin 6 (VCC) decoupled to ground with 10 mF

VHVMIN

40

V

Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the

Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect

device reliability.

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